TY  - GEN
AU  - Taub, Herbert14996
AU  - Schilling, Donald L 14998
AU  - Saha, Goutam 14999
TI  - Principles of communication systems/ 4th ed
SN  - 0070629552
U1  - 621.39 
PY  - 2013///
CY  - New Delhi
PB  - Mc Graw Hill
KW  - 621.39
KW  - Telecommunication systems14997
ER  -